Surah Al-Hajj Verse 39 - English Translation by Almuntakhab Fi Tafsir Alquran Alkarim
Surah Al-Hajjأُذِنَ لِلَّذِينَ يُقَٰتَلُونَ بِأَنَّهُمۡ ظُلِمُواْۚ وَإِنَّ ٱللَّهَ عَلَىٰ نَصۡرِهِمۡ لَقَدِيرٌ
Those who have been attacked by the infidels who waged war against them for their belief in Allah are permitted to fight in defense of the wrong inflicted on them; Allah is indeed Qadirun (Omnipotent) enough to afford them help